Silverado & Sierra Rear 4" Lowered Suspension | 1999-2006 (2WD/4WD) Bumper Support If you have a QA1

If you have a QA1 tubular front crossmember

9 uber strength hardware with back up lock nuts to ensure no loose bolts

120 Wall DOM

These shocks allow for ride height adjustability and are 100% dyno tested and serialized

Vehicle Model: Silverado 1500

Silverado & Sierra Rear 4" Lowered Suspension | 1999-2006 (2WD/4WD) Bumper Support If you have a QA1(In Stock) Suspension Engineering chassis and suspension components are designed and tested to create a high strength, durable product, with great fitment. Our manufacturing process employ automated tubing benders, CNC machining, and laser cut components. We stand behind our products, and you will not find a better quality product at such an affordable price. Features include: Heavy Duty Mild Steel Construction Drop rear suspension a total of 4 inches